Middleburg is located in Snyder county Pennsylvania with a geographic area of 0.9 square miles. The total population in Middleburg is 1,615 with 49.6% male and 50.4% female. Children under age 5 represent 6.3% of the population, under age 18 equal 22.3% of the population and over age 65 is 19.8% of the population. The median household income is $55,100, per capita income is $27,021. There are a total of 646 housing units with 65.8% owner occupied. Education includes 45.2% of residents that are high school graduates and 24.8% with a bachelor's degree or higher. The average temperature in Middleburg in the summer is 73 degrees, and in the winter 33 degrees.